WattCost

Data through June 2026

Running cost · Dehumidifiers · ENERGY STAR certified

Waykar CHWA150A

Under the DOE test basis, the Waykar CHWA150A draws 504 kWh — about $92 at the U.S. average rate, concentrated in the months you actually run it. Efficiency-wise it's unremarkable in a good way: within 49% of the median certified dehumidifier (rank 372 of 519). The same unit costs $66 a year in Nevada but $266 in Hawaii — electricity rates, not the appliance, make the difference.

Estimated annual running cost · U.S. average rate 18.3¢/kWh

$92/yr

$19 · cheapest certified dehumidifiers$515 · priciest
Per month
$7.70
Per day
25¢
Certified use
504 kWh/yr
Type
Portable Dehumidifier
Capacity
49.67 pints/day
Efficiency (IEF)
2.01 L/kWh
105 kWh2,808 kWh
Where the Waykar CHWA150A (▮) sits among all 519 certified dehumidifiers, by annual kWh

What it costs in every state

Waykar CHWA150A: 504 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama16.4¢$83
Alaska28.2¢$142
Arizona15.2¢$77
Arkansas14.1¢$71
California34.7¢$175
Colorado17.1¢$86
Connecticut24.3¢$123
Delaware19.3¢$97
District of Columbia24.4¢$123
Florida15.1¢$76
Georgia16.4¢$82
Hawaiipriciest52.7¢$266
Idaho14.4¢$72
Illinois19.9¢$100
Indiana17.5¢$88
Iowa15.9¢$80
Kansas15.7¢$79
Kentucky14.3¢$72
Louisiana13.5¢$68
Maine29.6¢$149
Maryland21.8¢$110
Massachusetts29.6¢$149
Michigan23.0¢$116
Minnesota17.5¢$88
Mississippi14.9¢$75
Missouri16.2¢$82
Montana15.1¢$76
Nebraska13.3¢$67
Nevadacheapest13.1¢$66
New Hampshire27.0¢$136
New Jersey24.9¢$126
New Mexico15.1¢$76
New York29.5¢$149
North Carolina14.7¢$74
North Dakota14.1¢$71
Ohio19.2¢$97
Oklahoma14.3¢$72
Oregon16.3¢$82
Pennsylvania21.7¢$110
Rhode Island29.2¢$147
South Carolina15.6¢$78
South Dakota15.4¢$77
Tennessee14.1¢$71
Texas15.9¢$80
Utah13.4¢$67
Vermont24.4¢$123
Virginia17.2¢$87
Washington14.9¢$75
West Virginia15.4¢$78
Wisconsin19.6¢$99
Wyoming15.2¢$77

Certified models closest in efficiency

dehumidifiers within reach of 504 kWh/yr
ModelkWh/yr$/yr (US avg)
AUX ADT50V1504$92
GARVEE G-AD50PT504$92
Quilo QLDAD50PWK504$92
Quilo QLDAD50WK504$92
Waykar CHWA150PA504$92
ZAFRO D026W-50Pt3Mmost efficient504$92

Run your own numbers

Your rate, your numbers

Per day
25¢
Per month
$7.70
Per year
$92

504 kWh/yr × 18.3¢/kWh = $92/yr

Prefilled with this model's certified 504 kWh/yr — adjust if your usage differs from the DOE test basis. The certified annual kWh comes from the DOE test basis for standardized annual runtime. Damp basements that run a unit year-round will exceed it; seasonal use will come in under.

Questions, answered with the data

How much electricity does the Waykar CHWA150A use?
ENERGY STAR certifies the Waykar CHWA150A at 504 kWh per year. The certified annual kWh comes from the DOE test basis for standardized annual runtime. Damp basements that run a unit year-round will exceed it; seasonal use will come in under.
How much does the Waykar CHWA150A cost to run per month?
About $7.70 a month at the U.S. average residential rate (18.3¢/kWh) — 25¢ a day, or $92 a year. Your state's rate moves this up or down; see the table above.
Is the Waykar CHWA150A energy efficient?
It uses 49% more electricity than the median certified dehumidifier.
What does the Waykar CHWA150A cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $66 a year in Nevada (13.1¢/kWh) and $266 in Hawaii (52.7¢/kWh).

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